Freshwater ecosystems are among the most affected by anthropogenic
disturbances, and fish have several advantages for monitoring them, such as the
response at larger temporal and spatial scales and its visibility to the ...

Microbial biofilms in oligotrophic environments are the most reactive component of the ecosystem. In high-altitude lakes, exposed bedrock, boulders, gravel, and sand in contact with highly oxygenated water and where a very ...

There is a concern that agriculture will no longer be able to meet, on a global scale, the growing demand for food. Facing such a challenge requires new patterns of thinking in the context of complexity and sustainability ...

Spatial patterns in the abundance of species are determined by local abiotic and biotic
conditions, and by the movement of individuals among localities. For species distributed among discrete
habitat ‘‘islands’’, such ...